Finding the Third Proportional to 812,864 and 1,096,512

Step by Step Solution

1. Step 1: Write the proportion equation
   812,864 : 1,096,512 = 1,096,512 : x
2. Step 2: Convert to fraction form
   812,864/1,096,512 = 1,096,512/x
3. Step 3: Cross multiply
   812,864x = 1,096,512 × 1,096,512
4. Step 4: Simplify right side
   812,864x = 1,202,338,566,144
5. Step 5: Solve for x
   x = 1,202,338,566,144/812,864
6. Step 6: Final answer
   x = 1,479,138.66